Pressure die casted, gravity die casted, shell moulded pistons are made out of aluminium alloys, graded closed grained cast iron. Piston rings are individually centrifugally casted out of high grade cast iron materials.Models available off shelf: 

•  Stal: P 22/ 24, P 4 75 mm 
•  Copeland: 9RB, 4RH, 4RJ 
•  Carrier: 6D48, 6D75, 06E 5F, 5H40, 5H46 
•  Grasso: AC70, RC11, KC, PC2, KA85, RC6, RC9 
•  Bock: F-3, 4, 5, F40 
•  Sabroe: SMC-65,SMC-180, SMC-100 S, L & E, CMO14, CMO24 
•  Bitzer: 55mm, 60mm, 70mm, 75mm, 82mm 
•  Daikin: C55, C75 
•  Mycom: 130 mm 
•  JE Hall: 5", 7" 
•  Russian: 175 mm 
• York: JS Series